ECG / EKG Medical Grade Recording Chart Paper, Z-Fold Pad, Array (Blank) Grid, 110x143x143, Equivalent to Nihon-Kohden FQW110-2-140, 4719582. Fits Nihon Kohden models Cardiofax GEM, ECG-9010K and ECG-9020K (sold by the pad, 50 pads per case) Availability: Usually ships the same business day Nihon-Kohden FQW110-2-140 equivalent A112090$2.31 Copyright 2006-2011, A1cardiology.com